eskp-app/1.0: eskp.py@df260a86dff7

     1 # -*- coding: utf-8 -*-

     2 #!/usr/bin/env python

     3 import logging

     5 import os

     6 import codecs

     7 import vobject

     8 import StringIO

    10 import qrcode

    12 from docutils.core import publish_parts

    13 from flask import Flask

    14 from flask import render_template

    15 from flask import request

    16 from flask_babel import gettext as _

    17 from flask_babel import Babel

    18 from config import LANGUAGES

    20 import base64

    22 LANGUAGE_SELECTED = "de"

    23 # ToDo after engelish is implemented set LANGUAGE_SELECTED = None

    25 # We need the path of this file to find templates to translate

    26 ESKP_PATH = os.path.dirname(os.path.abspath(__file__))

    27 logging.basicConfig(filename=os.path.join(ESKP_PATH, 'eskp-app.log'), level=logging.DEBUG)

    28 FILES= os.listdir(os.path.join(ESKP_PATH, 'static/images/uvmap'))

    30 app = Flask(__name__)

    31 babel = Babel(app)

    33 app.config['BABEL_DEFAULT_LOCALE'] = 'de'

    36 def get_vcard(filename):

    37     filename = os.path.join(ESKP_PATH, filename)

    38     with codecs.open(filename, 'r', 'utf-8') as f:

    39         vcard = f.read()

    40     return vobject.readOne(vcard)

    43 def get_content(filename, overrides=None):

    44     content = u""

    45     filename = os.path.join(ESKP_PATH, filename)

    46     if os.path.isfile(filename):

    47         with codecs.open(filename, 'r', 'utf-8') as f:

    48             rst_data = f.read()

    49         content = publish_parts(rst_data, writer_name='html', settings_overrides=overrides)['html_body']

    50     return content

    52 def get_html_content(filename, overrides=None):

    53     html_content = u""

    54     filename = os.path.join(ESKP_PATH, filename)

    55     if os.path.isfile(filename):

    56         with codecs.open(filename, 'r', 'utf-8') as f:

    57             html_content = f.read()

    59     return html_content

    61 def get_newest_date():

    62     getdates = get_valid_dates(FILES)

    63     newest_date = getdates[-1]

    65     return newest_date

    68 def get_topmenue():

    69     newest_date = get_newest_date()

    70     menue = [

    71         ('/ozoneloss', _(u'Ozoneloss'),

    72          (('/ozoneloss', _(u'overview')),

    73           ('/ozoneloss/clams/2025', _(u'calculations')),

    74           ('/ozoneloss/vpsc/2025', _(u'estimations')),

    75           ('/ozoneloss/uvmap/' + newest_date, _(u'uv index map')),

    76           ('/ozoneloss/uvi', _(u'uv increase')),

    77           ('/ozoneloss/decadal', _(u'decadal')))),

    78         ('/ice-4', _(u'ICE-4'), (None, None))

    79     ]

    80     return menue

    83 app.jinja_env.globals.update(get_topmenue=get_topmenue)

    86 def get_o3lossclams_dates():

    87     menue = [

    88         ('/ozoneloss/clams/2025', _(u'2025')),

    89         ('/ozoneloss/clams/2024', _(u'2024')),

    90         ('/ozoneloss/clams/2022', _(u'2022')),

    91         ('/ozoneloss/clams/2020', _(u'2020')),

    92         ('/ozoneloss/clams/2019', _(u'2019')),

    93         ('/ozoneloss/clams/2018', _(u'2018')),

    94         ('/ozoneloss/clams/2017', _(u'2017')),

    95         ('/ozoneloss/clams/2016', _(u'2016')),

    96         ('/ozoneloss/clams/2015', _(u'2015')),

    97         ('/ozoneloss/clams/2012', _(u'2012')),

    98         ('/ozoneloss/clams/2011', _(u'2011')),

    99         ('/ozoneloss/clams/2010', _(u'2010')),

   100     ]

   101     return menue

   104 def get_valid_dates(files):

   105     dates = []

   107     for file in files:

   108         if file.endswith('.png') and file.find('uvi') >= 0:

   109             date = file[-12:-6]

   110             dates.append(date)

   111     dates.sort()

   112     for date in dates:

   113         i = 0

   114         for param in ['uvi', 'o3col', 'do3col']:

   115             testfile = 'clams_' + param + '_' + date + '12.png'

   116             if files.count(testfile) > 0:

   117                 i = i + 1

   118         if i <> 3:

   119             dates.remove(date)

   120     return dates

   123 def get_o3lossuvmap_dates(date_show):

   124     dates = get_valid_dates(FILES)

   125     ndates = len(dates)

   126     ind = dates.index(date_show)

   127     navitexts = []

   128     if ind ==0 :

   129         chosendates = [dates[ind+1]]

   130         navitexts.append('next ->')

   132     elif ind >= ndates - 1:

   133         chosendates= [dates[ind-1]]

   134         navitexts.append('<- prev')

   135     else:

   136         chosendates = [dates[ind-1], dates[ind+1]]

   137         navitexts.append('<- prev')

   138         navitexts.append('next ->')

   139     menue = []

   141     for i in range(len(chosendates)):

   142         date = chosendates[i]

   143         navitext = navitexts[i]

   144         menue.append(('/ozoneloss/uvmap/' + date, _(navitext)))

   145     return menue

   148 def get_vpsc_dates():

   149     menue = [

   150         ('/ozoneloss/vpsc/2025', _(u'2025')),

   151         ('/ozoneloss/vpsc/2024', _(u'2024')),

   152         ('/ozoneloss/vpsc/2022', _(u'2022')),

   153         ('/ozoneloss/vpsc/2020', _(u'2020')),

   154         ('/ozoneloss/vpsc/2019', _(u'2019')),

   155         ('/ozoneloss/vpsc/2018', _(u'2018')),

   156         ('/ozoneloss/vpsc/2017', _(u'2017')),

   157         ('/ozoneloss/vpsc/2016', _(u'2016')),

   158         ('/ozoneloss/vpsc/2015', _(u'2015')),

   159         ('/ozoneloss/vpsc/2014', _(u'2014')),

   160         ('/ozoneloss/vpsc/2013', _(u'2013')),

   161         ('/ozoneloss/vpsc/2012', _(u'2012')),

   162         ('/ozoneloss/vpsc/2011', _(u'2011')),

   163         ('/ozoneloss/vpsc/2010', _(u'2010')),

   164     ]

   165     return menue

   168 app.jinja_env.globals.update(get_o3lossclams_dates=get_o3lossclams_dates)

   169 app.jinja_env.globals.update(get_vpsc_dates=get_vpsc_dates)

   170 app.jinja_env.globals.update(get_o3lossuvmap_dates=get_o3lossuvmap_dates)

   173 def modal_info(template, act, title, filename):

   174     content = get_content(filename)

   175     html = render_template(template, act=act, title=title, content=content, exit=_(u"Close"))

   176     return html

   179 @babel.localeselector

   180 def get_locale():

   181     requested_language = request.accept_languages.best_match(LANGUAGES.keys())

   182     if requested_language in ("de", "en"):

   183         return requested_language or "de"

   185 @app.route("/")

   186 @app.route("/index")

   187 def index():

   188     return render_template("/index.html",

   189                            )

   192 @app.route('/ozoneloss/clams/<year>')

   193 def ozoneloss_clams_year(year):

   194     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_clams.rst")

   195     content = get_content(filename)

   196     return render_template("/ozoneloss_clams.html", act="ozoneloss/clams/%s" % year, content=content, year=year)

   199 @app.route('/ozoneloss/uvmap/<date>')

   200 def ozoneloss_uvmap_date(date):

   201     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_uvmap.rst")

   202     content = get_content(filename)

   203     htmlfile = os.path.join("templates", get_locale(), "html", "uvi_table.html")

   204     html_table = get_html_content(htmlfile)

   206     return render_template("/ozoneloss_uvmap.html", act="ozoneloss/uvmap/%s" % date, content=content,

   207                            html_table=html_table, date=date)

   210 @app.route('/ozoneloss/vpsc/<year>')

   211 def ozoneloss_vpsc_year(year):

   212     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_vpsc.rst")

   213     content = get_content(filename)

   214     filename = os.path.join("templates", get_locale(), "rst", "explanation_vpsc.rst")

   215     explanation = get_content(filename)

   217     return render_template("/ozoneloss_vpsc.html", act="ozoneloss/vpsc/%s" % year, content=content,

   218                            content_explanation=explanation, year=year)

   221 @app.route('/de')

   222 def de():

   223     global LANGUAGE_SELECTED

   224     LANGUAGE_SELECTED = "de"

   225     return render_template("/index.html",

   226                            )

   229 @app.route('/en')

   230 def en():

   231     global LANGUAGE_SELECTED

   232     LANGUAGE_SELECTED = "en"

   233     return render_template("/index.html",

   234                            )

   238 def qr_image_data(card):

   239     buf = StringIO.StringIO()

   240     qr = qrcode.QRCode(

   241         version=1,

   242         error_correction=qrcode.constants.ERROR_CORRECT_L,

   243         box_size=2,

   244         border=2,

   245     )

   246     qr.add_data(card.serialize())

   247     qr.make(fit=True)

   248     img = qr.make_image()

   249     img.save(buf)

   250     image = buf.getvalue()

   251     return base64.b64encode(image)

   254 @app.route("/ozoneloss")

   255 def ozoneloss():

   256     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss.rst")

   257     content = get_content(filename)

   258     ref_date = "200119"

   259     newest_date = get_newest_date()

   260     content = content.replace(ref_date, newest_date, 1)

   262     vcard_file = os.path.join("vcards", "jug.vcf")

   263     author = u""

   265     try:

   266         card = get_vcard(vcard_file)

   267     except IOError:

   268         card = None

   269     if card is not None:

   270         qr_image = qr_image_data(card)

   271         author = render_template("/author_info.html", act="author", title=_(u"Ozoneloss"),

   272                                  card=card, image=qr_image, contact=_(u"Contact"), exit=_(u"Close"))

   274     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_publications.rst")

   275     publications = modal_info("/publications_info.html", "publications", _(u"Ozoneloss"), filename)

   276     return render_template("/ozoneloss.html", act="ozoneloss", content=content,

   277                            author=author, card=card, publications=publications)

   280 @app.route("/ozoneloss/clams")

   281 def ozoneloss_clams():

   282     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_clams.rst")

   283     content = get_content(filename)

   284     return render_template("/ozoneloss_clams.html", act="ozoneloss/clams", content=content)

   287 @app.route("/ozoneloss/uvmap")

   288 def ozoneloss_uvmap():

   289     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_uvmap.rst")

   290     content = get_content(filename)

   292     htmlfile = os.path.join("templates", get_locale(), "html", "uvi_table.html")

   293     html_content = get_html_content(htmlfile)

   294     return render_template("/ozoneloss_uvmap.html", act="ozoneloss/uvmap", content=content,

   295                            html_content=html_content)

   298 @app.route("/ozoneloss/vpsc")

   299 def ozoneloss_vpsc():

   300     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_vpsc.rst")

   301     content = get_content(filename)

   302     return render_template("/ozoneloss_vpsc.html", act="ozoneloss/vpsc", content=content)

   305 @app.route("/ozoneloss/uvi", methods=['GET'])

   306 def ozoneloss_uvi():

   307     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_uvi.rst")

   308     content = get_content(filename)

   309     htmlfile = os.path.join("templates", get_locale(), "html", "ozoneloss_uvi_form_start.html")

   310     html_content = get_html_content(htmlfile)

   311     htmlfile = os.path.join("templates", get_locale(), "html", "uvi_table.html")

   312     html_table = get_html_content(htmlfile)

   314     lat = 50.

   315     o3offset = 50.

   316     figname = "uvincr_lat%0.3i_do3%0.3i.svg" % (lat, o3offset)

   318     return render_template('ozoneloss_uvi.html', act="ozoneloss/uvi", content=content, figname=figname,

   319                            alt=_(u"UV increase at {{lat}} degrees N for {{o3offset}} DU ozone depletion"),

   320                                  html_content=html_content, html_table=html_table)

   323 @app.route("/ozoneloss/uvi_graph", methods=['POST'])

   324 def ozoneloss_uvi_graph():

   325     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_uvi.rst")

   326     content = get_content(filename)

   327     htmlfile = os.path.join("templates", get_locale(), "html", "ozoneloss_uvi_form.html")

   328     html_content = get_html_content(htmlfile)

   329     htmlfile = os.path.join("templates", get_locale(), "html", "uvi_table.html")

   330     html_table = get_html_content(htmlfile)

   332     latstr = request.form['Gradzahl']

   333     o3offsetstr = request.form['Dobson-Unit']

   335     latstr2 = latstr.replace(u'\xb0', '')

   336     if latstr2.endswith(u'N'):

   337         latstr2 = latstr2.replace(u'N', '')

   338         lat = float(latstr2)

   339     if latstr2.endswith(u'S'):

   340         latstr2 = latstr2.replace(u'S', '')

   341         lat = -float(latstr2)

   343     html_content = html_content.replace('{{latstr}}', latstr)

   344     html_content = html_content.replace('{{o3offsetstr}}', o3offsetstr)

   345     figname = "uvincr_lat%0.3i_do3%0.3i.svg" % (lat, float(o3offsetstr))

   347     return render_template('ozoneloss_uvi.html', act="ozoneloss_uvi_graph", content=content, figname=figname,

   348                            alt=_(u"UV increase at {{lat}} degrees N for {{o3offset}} DU ozone depletion"),

   349                            html_content=html_content, html_table=html_table)

   351 @app.route("/ozoneloss/decadal")

   352 def ozoneloss_decadal():

   353     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_decadal.rst")

   354     content = get_content(filename)

   355     filename = os.path.join("templates", get_locale(), "rst", "ozoneloss_decadal_bottom.rst")

   356     explanation = get_content(filename)

   358     return render_template("/ozoneloss_decadal.html", act="ozoneloss_decadal", content=content,

   359                            content_explanation=explanation)

   363 @app.route("/ice-4")

   364 def institute():

   365     filename = os.path.join("templates", get_locale(), "rst", "ice-4.rst")

   366     content = get_content(filename)

   367     vcard_file = os.path.join("vcards", "sas.vcf")

   368     author = u""

   369     try:

   370         card = get_vcard(vcard_file)

   371     except IOError:

   372         card = None

   373     if card is not None:

   374         qr_image = qr_image_data(card)

   375         author = render_template("/author_info.html", act="author", title=_(u"ICE-4"),

   376                                  card=card, image=qr_image, contact=_(u"Contact"), exit=_(u"Close"))

   378     return render_template("/ice-4.html", act="ice-4", content=content,

   379                            author=author, card=card, contact=u"ICE-4")

   382 @app.route("/imprint")

   383 def imprint():

   384     filename = os.path.join("templates", get_locale(), "rst", "imprint.rst")

   385     content = get_content(filename)

   386     return render_template("/content.html", act="imprint", content=content)

   389 @app.route("/dataprotection")

   390 def dataprotection():

   391     filename = os.path.join("templates", get_locale(), "rst", "datenschutz.rst")

   392     content = get_content(filename)

   393     return render_template("/content.html", act="datenschutz", content=content)

   396 @app.errorhandler(404)

   397 def page_not_found(e):

   398     msg = _(u"Url: %(url)s not found", url=request.url)

   399     info = _(u"This information is not available!")

   400     return render_template("404.html", msg=msg, info=info)

   403 if __name__ == "__main__":

   404     app.run(host='localhost', port=5014)

author	Jens-Uwe Grooss <j.-u.grooss@fz-juelich.de>
	Mon, 31 Mar 2025 21:30:00 +0200
changeset 1768	df260a86dff7
parent 1598	c03d9beb0451
permissions	-rwxr-xr-x